


function btnOk() {
    if (document.getElementById("city").value == "请选择城市") {
        alert("请选择城市！");
    }
    else {
         window.location.href = "http://" + document.getElementById("jx").value +".fenlei168.com/wuliu/"+document.getElementById("jx").value+"-"+document.getElementById("city").value+"/";

    }
}
